This page intentionally left blank Copyright © 2005, 2001 New Age International (P) Ltd., Publishers Published by New Age International (P) Ltd., Publishers All rights reserved. No part of this ebook may be reproduced in any form, by photostat, microfilm, xerography, or any other means, or incorporated into any information retrieval system, electronic or mechanical, without the written permission of the publisher. All inquiries should be emailed to
[email protected] ISBN (13) : 978-81-224-2636-6 PUBLISHING FOR ONE WORLD NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS 4835/24, Ansari Road, Daryaganj, New Delhi - 110002 Visit us at www.newagepublishers.com Preface v Preface The warm response to the First Edition of this book encouraged the authors to bring out the Second Edition in a thoroughly revised and updated form. The Hon’ble Supreme Court of India ordered in 1991 introduction of a common course on Environment in colleges and universities at under-graduate levels but the order was not properly implemented. Displeased with non-compliance of the order, the Supreme Court again ordered in 2003 for introduction of Environment as a compulsory subject at higher secondary level in schools and under-graduate levels in colleges from 2004–2005 session and issued warning of legal action, if necessary. The prevailing confusion in academic communities is due to lack of suitable te